Whether we can believe this see-through-elephant-trunk footage or not, the possibility that elephants have a triple-filtration system within their trunks has to have some credence. Otherwise, why on earth would leading Republicans try to make it easier for big polluters to further pollute the air we (their constituents, and the rest) breathe?
From Greenpeace: "Every year, in the US alone, fine particle emissions from power plants are believed to cut short the lives of 30,000 people. Every year, 38,000 heart attacks, 12,000 hospital admissions and an additional 550,000 asthma attacks are a result of power plant pollution."
...but who needs clean air?
From The Natural Resources Defense Council (NRDC): Dirty Air Extremism
From Greenpeace: (health effects of) Coal Power Plants
From The US EPA: Clean Air Act
Again, the NRDC: Coal in a Changing Climate
From the Asthma and Allergy Foundation of America: Asthma Facts and Figures (interesting bits on who is most affected...you decide why)